Quick Details Place of Origin:Henan, China Brand Name:YIHONG Model Number:YHD7128 Material:A/O, Z/A, S/C Usage:for grinding and poshing Abrasive Grain Sizes:40-320 Diameter:115mm Layers of fibergass:7 layers Metal ring:2 ring Hole diam.:22.23mm Full Outer diameter:100mm,115mm,125mm,150mm,180m,230mm Colour:Brown, Blue, Grey All hole diameter:16mm,22.23mm All metal rings available:1 or 2 Backing surface:black paper or non-woven cloth Exported countries:Germany,Italy, Turkey, Brazil, India and other countries Supply Ability:100000 Piece/Pieces per Month